If after you removed the plug, spun the engine over and cleared the cylinder, then put the plug back in and it started, I had an explanation as to what went wrong. Seeing that it did not fix the problem, we have to go another direction. These are the steps I would try:
1. Remove the spark plug.
2. Tie the brake bail back so you know the flywheel brake is off.
3. Tip the mower on it's side, carb up, and wearing a glove try to turn the blade 360 degrees in both directions.
4. If you can turn the blade in both directions, we know that the engine is not locked up. There is no oil pump on this engine.
5. Set the mower back down and try turning it over with the starter rope, no plug.
6. If you can turn the engine by hand, but no with the starter rope, we know that we have a problem with the starter.
7. If you cannot turn the engine by hand, we will have to look internally and that will be another post.
I know that you could care less about me, but Mr. Fish if you have nothing constructive to add to the threads which I post on, I and the OP's would greatly appreciate it if you would keep quiet. I could care less if you want to make fun of me, you have to get to the back of the line, it's a long one. You are not helping fix the problem, just making it more difficult to solve.
Iam still having a hard time understanding the need to grind, resurface valves on a 6 year old mower. That engine at most has 200-300 hours on it. Iam almost certain the problem with the poor running will be found in replacing the carb diaphragms. I think grinding valves down and trying to mask the problem opened up a can of worms!! :confused2:
Pull dipstick lay mower on side dipstick down, carb up let all oil drain in pan. Tie safety bail open and rotate blade. I thing ether the carb flooded the crank case, or the oil was over filled.
Iam still having a hard time understanding the need to grind, resurface valves on a 6 year old mower. That engine at most has 200-300 hours on it. Iam almost certain the problem with the poor running will be found in replacing the carb diaphragms. I think grinding valves down and trying to mask the problem opened up a can of worms!! :confused2:
Pull dipstick lay mower on side dipstick down, carb up let all oil drain in pan. Tie safety bail open and rotate blade. I thing ether the carb flooded the crank case, or the oil was over filled.
Well,
I`m not expert but I would not agree and I do not want to offend you, Sir.
Engine needed valve adjustment. Both valves were spinning and were setting totally on the end of core engine. From what I see this is quite "week" alloy used to build engine or valves are made from butter. I agree with you regards hours.
I start engine BEFORE oil change. I can tell you that it run better then time I bought it.
I have basic of mechanics and engine build and understand way they working. I restored in past 33+ motorcycles... they are more complicated (no mechanically but regards tune up) then lawn mower.
I will remove pull starter and re-seat again. I have alredy done 360 flip.... bunch off oil leak out from exhaust and I was able spun engine using hands.